DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerRear door speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the rear door
speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker c ...
B2601 shift position
Description
BCM confirms the shift position with the following 2
signals.
CVT selector lever
P position signal from IPDM E/R (CAN)
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2601 is displayed with DTC
U1000, first perform the trouble diagnosis for DTC ...
Rear door speaker
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the rear door speakers using the audio
signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. a ...